Collins, Holden & Setchell, Phycoth. Bor.-Amer.
Collins, F.S.; Holden, I.; Setchell, W.A. [I-CXXV]

Brown University - Algae
Catalog #: ABRU00005170
W. A. Setchell s.n.
Thalassiophyllum clathrus (S.G.Gmelin) Postels & Ruprecht
United States, Alaska, west shore of Amaknak Island, Unalaska Bay, AK

University of Michigan
Catalog #: 613097
W.A. Setchell #s.n. 00 June 1899
Thalassiophyllum clathrus (S.G.Gmelin) Postels & Ruprecht
United States, Alaska, West shore of Amaknak Is, Unalaska

University of Michigan
Catalog #: 613098
W.A. Setchell #s.n. 00 June 1899
Thalassiophyllum clathrus (S.G.Gmelin) Postels & Ruprecht
United States, Alaska, West shore of Amaknak Is, Unalaska

Field Museum of Natural History
Catalog #: C0521065F
W.A. Setchell #s.n. 00 June 1899
Thalassiophyllum clathrus (S.G.Gmelin) Postels & Ruprecht
United States, Alaska, Western shore of Amaknak Island, Unalaska Bay

Michigan State University Algae
Catalog #: MSC0181095
W.A. Setchell #s.n. 00 June 1899
Agarum clathrus (S.G.Gmelin) Greville
United States, Alaska, Western shore of Amaknak Island, Unalaska Bay

Miami University - Algae
Catalog #: 000210650
W.A. Setchell #s.n. 00 June 1899
Agarum clathrus (S.G.Gmelin) Greville
United States, Alaska, Western shore of Amaknak Island, Unalaska Bay

San Diego Natural History Museum - Algae
Catalog #: SD00001940
William Albert Setchell #s.n. 00 June 1899
Agarum clathrus (S.G.Gmelin) Greville
United States, Alaska, Unalaska Bay